The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

A tunnel with windows, so you don't miss out on the impressive views.

Dramatic river bend surrounds a natural red-rocked pedestal.

The former headquarters of history's oldest megacorporation.

Europe's first floating restaurant is home to a hilarious legend.

Amsterdam's former hotspot for public executions and dissections.

One of Amsterdam's narrowest houses is located right across the canal from its widest.

Birthplace of the "Cat in the Cradle" and a cluster of iconic, original windmills that let the Dutch tame the seas.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

Tiny castle in the middle of the Rhine made you pay to pass.

There has been an astronomical clock on this spot since the 14th century.

A copy of the Statue of Liberty greets visitors to the birthplace of Auguste Bartholdi.

The birthplace of the builder of the Statue of Liberty is now a museum dedicated to his work.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

A breathtaking bridge that crosses a vast gorge over a river's torrents, and has a tale of a devil architect attached.

A memorial for a young woman and her ghost, which are claimed to have caused countless deathly shipwrecks.